When heat is added to water, the added energy?

Question

A. raises the electrons to a higher energy level.

B. makes the molecules move faster.

C. splits the molecules apart.

D. increases the number of electrons in the molecules.

Answer 1

B.

Ice melts to water above 0 oC, water becomes steam above 100 oC.

So, the added energy has as result Solid -->Liquid --> Gas.

It is always H2O (the same compound) but its molecules move faster.